1. Introduction
The LIGE EF18-A Smartwatch is a robust and versatile device designed for active lifestyles. Featuring a 1.7-inch Ultra HD display, a powerful 1000mAh battery, and a built-in LED flashlight, it offers extensive health monitoring, over 100 sports modes, and seamless Bluetooth calling. This manual provides essential information for setting up, operating, and maintaining your smartwatch.
2. Package Contents
Upon opening your LIGE EF18-A Smartwatch package, you should find the following items:
- LIGE EF18-A Smartwatch (with one strap attached)
- 1 x Classic Stainless Steel Strap
- 1 x AK75 Silicone Strap
- 1 x AK85 Silicone Strap
- 1 x USB Charging Cable
- 1 x Type-C Charging Cable
- User Manual
- Strap adjustment tool (for metal strap)

Image: A visual representation of the LIGE EF18-A Smartwatch and its accessories, including the watch face, three different strap options (stainless steel and two silicone), and two charging cables (USB and Type-C).
3. Setup
3.1 App Download and Installation
To unlock the full potential of your LIGE EF18-A Smartwatch, download the FitCloudPro app on your smartphone. The app is compatible with Android 5.1 and above, and iOS 9.0 and above.
- Scan the QR code provided in the user manual or on the watch screen to directly download the app.
- Alternatively, search for "FitCloudPro" in the Apple App Store (for iOS) or Google Play Store (for Android) and install it.

Image: A step-by-step guide illustrating how to connect the smartwatch to a smartphone. It shows scanning a QR code to download the FitCloudPro app, enabling Bluetooth, finding the device, and allowing notifications.
3.2 Device Pairing
After installing the app, follow these steps to pair your smartwatch:
- Ensure Bluetooth is enabled on your smartphone.
- Open the FitCloudPro app and create an account or log in.
- Navigate to the "Device" section within the app and select "Add Device" or "Search Now".
- The app will scan for nearby devices. Select "EF18" from the list to initiate pairing.
- Confirm the pairing request on both your smartphone and the smartwatch.
- Allow necessary permissions for notifications, contacts, and other features as prompted by the app.
Video: This video demonstrates the unboxing and setup process for the LIGE EF18-A Smartwatch, including how to connect it to a smartphone and navigate its various features.
4. Operating Instructions
4.1 Basic Navigation
- Touch Screen: Swipe left/right or up/down to navigate through menus and features. Tap to select.
- Side Buttons: The physical buttons on the side of the watch provide quick access to functions or return to the home screen.
4.2 Bluetooth Calling & Notifications
Once paired, the EF18-A allows you to manage calls and receive notifications directly on your wrist.
- Making/Answering Calls: Use the watch's dial pad or contact list to make calls. Incoming calls can be answered or rejected directly from the watch.
- Message Alerts: Receive notifications from SMS, Facebook, WhatsApp, Twitter, TikTok, and other apps. You can enable/disable specific app notifications in the FitCloudPro app.

Image: The smartwatch screen showing an incoming call interface and various app notification icons, highlighting its Bluetooth call and message alert capabilities.
4.3 LED Flashlight
The smartwatch features a powerful built-in LED flashlight for convenience in low-light conditions.
- Access the flashlight function from the quick settings menu or assign it to a customizable button for quick activation.
- The flashlight provides an illumination distance of 6-8 meters.

Image: The smartwatch with its LED flashlight active, showing its utility in various scenarios such as night activities, power outages, and searching for objects.
5. Health Monitoring
The LIGE EF18-A Smartwatch is equipped with high-precision sensors for continuous health tracking.
- Heart Rate Monitoring: Supports 24/7 heart rate tracking. View real-time data on the watch or detailed trends in the app.
- Blood Oxygen Monitoring: Automatically detects and records blood oxygen saturation (SpO2) to help you understand your physical condition.
- Sleep Tracking: Monitors your sleep patterns, including deep sleep, light sleep, and awake times, to help improve sleep quality.

Image: The smartwatch screen showing heart rate, blood oxygen, and sleep data, alongside a smartphone app interface displaying comprehensive health metrics.
Video: This video provides an overview of the LIGE EF18-A Smartwatch, highlighting its key features such as long battery life, flashlight, health monitoring (heart rate, blood oxygen), and various sports modes.
6. Sports Modes
The EF18-A Smartwatch offers over 100 sports modes to track your workouts, including running, cycling, walking, hiking, fitness, yoga, HIIT, and more.
- It accurately tracks steps, heart rate, workout time, and calories burned.
- All fitness data is stored in the FitCloudPro app, allowing you to monitor progress and create personalized workout plans.

Image: The smartwatch screen showing an exercise record with metrics such as calories, distance, and heart rate, set against a background of a person cycling, illustrating its sports tracking capabilities.
7. Customization
7.1 Watch Faces
Personalize your smartwatch with over 200 watch faces available through the FitCloudPro app. You can also upload your own images to create custom watch faces.

Image: The smartwatch displaying multiple watch face options, with a smartphone screen showing the FitCloudPro app's watch face customization feature, including the ability to upload images.
8. Charging
The LIGE EF18-A Smartwatch features a 1000mAh battery, providing 7-15 days of typical use and up to 60 days of standby time on a single charge.
- Use the provided USB or Type-C charging cables.
- Connect the magnetic end of the cable to the charging points on the back of the watch.
- Connect the other end to a compatible USB power adapter (not included) or a computer.
- A full charge typically takes approximately 2.5 hours.

Image: The smartwatch connected to both USB and Type-C magnetic charging cables, demonstrating its dual charging compatibility.
9. Water Resistance
The LIGE EF18-A Smartwatch is 5ATM waterproof, making it suitable for swimming and other water-related activities. It is resistant to splashes, rain, and brief immersion in water.
- Avoid prolonged exposure to hot water, steam, or high-pressure water jets.
- Do not operate the buttons underwater.
- After exposure to water, ensure the watch is dry before charging.
Video: This video highlights the durability and features of the EF18-A Smartwatch, including its water resistance, long battery life, and various smart functions.
10. Specifications
| Product Dimensions | 10 x 1.97 x 0.98 inches |
| Item Weight | 0.035 ounces (1 Grams) |
| Item Model Number | EF18-A |
| Batteries | 1 C batteries required (included) |
| Standing Screen Display Size | 1.7 Inches |
| Memory Storage Capacity | 256 MB |
| RAM Memory Installed Size | 256 MB |
| Operating System | Android (compatible with Android & iOS) |
| Battery Capacity | 1000 Milliamp Hours |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | No GPS |
| Shape | Round |
11. Maintenance
To ensure the longevity and optimal performance of your LIGE EF18-A Smartwatch, follow these maintenance guidelines:
- Cleaning: Regularly wipe the watch screen and straps with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild soap, then rinse and dry thoroughly.
- Charging: Use only the provided charging cables. Avoid charging in extreme temperatures.
- Storage: Store the watch in a cool, dry place when not in use. Avoid direct sunlight or extreme temperatures.
- Water Exposure: While 5ATM waterproof, avoid exposing the watch to high-pressure water, hot water, or steam. Dry thoroughly after swimming or exposure to water.
12. Troubleshooting
If you encounter issues with your LIGE EF18-A Smartwatch, try the following troubleshooting steps:
- Watch Not Turning On: Ensure the watch is fully charged. Connect it to the charger and wait a few minutes before attempting to power it on.
- Cannot Pair with Phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within Bluetooth range (approximately 10 meters) of your phone.
- Restart both your phone and the smartwatch.
- Clear the Bluetooth cache on your phone or try pairing from a different device.
- Notifications Not Receiving:
- Check if app notifications are enabled in the FitCloudPro app settings.
- Ensure the FitCloudPro app is running in the background and has all necessary permissions.
- Verify that your phone's notification settings allow the FitCloudPro app to send notifications.
- Inaccurate Health Data:
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Clean the sensors on the back of the watch regularly.
- Avoid excessive movement during measurements.
- Short Battery Life:
- Reduce screen brightness and screen-on time.
- Disable continuous heart rate monitoring if not needed 24/7.
- Limit the number of app notifications.
13. Warranty and Support
LIGE provides a 365-day after-sales service for your EF18-A Smartwatch. If you have any questions, concerns, or require technical assistance, please contact our customer support team. We aim to provide a satisfactory response within 24 hours.
For support, please refer to the contact information provided in your product packaging or visit the official LIGE website.





